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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <connectivity/dbconversion.hxx>
21 : #include <connectivity/dbcharset.hxx>
22 : #include <osl/diagnose.h>
23 : #include <stdio.h>
24 : #include <com/sun/star/sdbc/SQLException.hpp>
25 : #include <com/sun/star/util/Date.hpp>
26 : #include <com/sun/star/util/Time.hpp>
27 : #include <com/sun/star/util/DateTime.hpp>
28 : #include <rtl/ustrbuf.hxx>
29 : #include <unotools/datetime.hxx>
30 : #include <sstream>
31 : #include <iomanip>
32 :
33 : #define MAX_DAYS 3636532
34 :
35 : namespace
36 : {
37 : const sal_Int64 nanoSecInSec = 1000000000;
38 : const sal_Int16 secInMin = 60;
39 : const sal_Int16 minInHour = 60;
40 :
41 : const sal_Int64 secMask = 1000000000;
42 : const sal_Int64 minMask = 100000000000LL;
43 : const sal_Int64 hourMask = 10000000000000LL;
44 :
45 : const double fNanoSecondsPerDay = nanoSecInSec * secInMin * minInHour * 24.0;
46 : }
47 :
48 : //.........................................................................
49 : namespace dbtools
50 : {
51 : //.........................................................................
52 :
53 :
54 : using namespace ::comphelper;
55 : using namespace ::com::sun::star::uno;
56 : using namespace ::com::sun::star::util;
57 : namespace utl = ::com::sun::star::util;
58 : using namespace ::com::sun::star::sdb;
59 : using namespace ::com::sun::star::sdbc;
60 : using namespace ::com::sun::star::lang;
61 : using namespace ::com::sun::star::beans;
62 :
63 :
64 : //------------------------------------------------------------------------------
65 67 : ::com::sun::star::util::Date DBTypeConversion::getStandardDate()
66 : {
67 67 : static ::com::sun::star::util::Date STANDARD_DB_DATE(1,1,1900);
68 67 : return STANDARD_DB_DATE;
69 : }
70 : //------------------------------------------------------------------------------
71 0 : OUString DBTypeConversion::toDateString(const utl::Date& rDate)
72 : {
73 : sal_Char s[11];
74 : snprintf(s,
75 : sizeof(s),
76 : "%04d-%02d-%02d",
77 : (int)rDate.Year,
78 : (int)rDate.Month,
79 0 : (int)rDate.Day);
80 0 : s[10] = 0;
81 0 : return OUString::createFromAscii(s);
82 : }
83 : //------------------------------------------------------------------
84 0 : OUString DBTypeConversion::toTimeStringS(const utl::Time& rTime)
85 : {
86 0 : std::ostringstream ostr;
87 : using std::setw;
88 0 : ostr.fill('0');
89 0 : ostr << setw(2) << rTime.Hours << ":"
90 0 : << setw(2) << rTime.Minutes << ":"
91 0 : << setw(2) << rTime.Seconds;
92 0 : return OUString::createFromAscii(ostr.str().c_str());
93 : }
94 : //------------------------------------------------------------------
95 0 : OUString DBTypeConversion::toTimeString(const utl::Time& rTime)
96 : {
97 0 : std::ostringstream ostr;
98 : using std::setw;
99 0 : ostr.fill('0');
100 0 : ostr << setw(2) << rTime.Hours << ":"
101 0 : << setw(2) << rTime.Minutes << ":"
102 0 : << setw(2) << rTime.Seconds << "."
103 0 : << setw(9) << rTime.NanoSeconds;
104 0 : return OUString::createFromAscii(ostr.str().c_str());
105 : }
106 : //------------------------------------------------------------------
107 0 : OUString DBTypeConversion::toDateTimeString(const utl::DateTime& _rDateTime)
108 : {
109 0 : utl::Date aDate(_rDateTime.Day,_rDateTime.Month,_rDateTime.Year);
110 0 : OUStringBuffer aTemp(toDateString(aDate));
111 0 : aTemp.appendAscii(" ");
112 0 : utl::Time aTime(_rDateTime.NanoSeconds,_rDateTime.Seconds,_rDateTime.Minutes,_rDateTime.Hours);
113 0 : aTemp.append( toTimeString(aTime) );
114 0 : return aTemp.makeStringAndClear();
115 : }
116 : //------------------------------------------------------------------------------
117 4 : utl::Date DBTypeConversion::toDate(sal_Int32 _nVal)
118 : {
119 4 : utl::Date aReturn;
120 4 : aReturn.Day = (sal_uInt16)(_nVal % 100);
121 4 : aReturn.Month = (sal_uInt16)((_nVal / 100) % 100);
122 4 : aReturn.Year = (sal_uInt16)(_nVal / 10000);
123 4 : return aReturn;
124 : }
125 :
126 : //------------------------------------------------------------------------------
127 0 : utl::Time DBTypeConversion::toTime(sal_Int64 _nVal)
128 : {
129 0 : utl::Time aReturn;
130 0 : sal_uInt64 unVal = static_cast<sal_uInt64>(_nVal >= 0 ? _nVal : -_nVal);
131 0 : aReturn.Hours = unVal / hourMask;
132 0 : aReturn.Minutes = (unVal / minMask) % 100;
133 0 : aReturn.Seconds = (unVal / secMask) % 100;
134 0 : aReturn.NanoSeconds = unVal % secMask;
135 0 : return aReturn;
136 : }
137 :
138 : //------------------------------------------------------------------------------
139 2 : sal_Int32 DBTypeConversion::toINT32(const utl::Date& rVal)
140 : {
141 4 : return ((sal_Int32)(rVal.Day%100)) +
142 2 : (((sal_Int32)(rVal.Month%100))*100) +
143 2 : (((sal_Int32) rVal.Year%10000)*10000);
144 : }
145 :
146 : //------------------------------------------------------------------------------
147 2 : sal_Int64 DBTypeConversion::toINT64(const utl::Time& rVal)
148 : {
149 : // normalize time
150 2 : sal_Int32 nSeconds = rVal.Seconds + rVal.NanoSeconds / nanoSecInSec;
151 2 : sal_Int32 nNanoSeconds = rVal.NanoSeconds % nanoSecInSec;
152 2 : sal_Int32 nMinutes = rVal.Minutes + nSeconds / secInMin;
153 2 : nSeconds = nSeconds % secInMin;
154 2 : sal_Int32 nHours = rVal.Hours + nMinutes / minInHour;
155 2 : nMinutes = nMinutes % minInHour;
156 :
157 : // assemble time
158 4 : return nNanoSeconds +
159 4 : nSeconds * secMask +
160 2 : nMinutes * minMask +
161 2 : nHours * hourMask;
162 : }
163 :
164 : //------------------------------------------------------------------------------
165 0 : sal_Int32 DBTypeConversion::getMsFromTime(const utl::Time& rVal)
166 : {
167 0 : sal_Int32 nHour = rVal.Hours;
168 0 : sal_Int32 nMin = rVal.Minutes;
169 0 : sal_Int32 nSec = rVal.Seconds;
170 0 : sal_Int32 nNanoSec = rVal.NanoSeconds;
171 :
172 0 : return ((nHour*3600000)+(nMin*60000)+(nSec*1000)+(nNanoSec/1000000));
173 : }
174 :
175 : //------------------------------------------------------------------------------
176 0 : sal_Int64 DBTypeConversion::getNsFromTime(const utl::Time& rVal)
177 : {
178 0 : sal_Int32 nHour = rVal.Hours;
179 0 : sal_Int32 nMin = rVal.Minutes;
180 0 : sal_Int32 nSec = rVal.Seconds;
181 0 : sal_Int32 nNanoSec = rVal.NanoSeconds;
182 :
183 0 : return nNanoSec +
184 0 : nSec * nanoSecInSec +
185 0 : nMin * (secInMin * nanoSecInSec) +
186 0 : nHour * (minInHour * secInMin * nanoSecInSec);
187 : }
188 :
189 : //------------------------------------------------------------------------------
190 : static sal_Int32 aDaysInMonth[12] = { 31, 28, 31, 30, 31, 30,
191 : 31, 31, 30, 31, 30, 31 };
192 :
193 : //------------------------------------------------------------------------------
194 0 : static sal_Bool implIsLeapYear(sal_Int32 _nYear)
195 : {
196 0 : return ( ( ((_nYear % 4) == 0)
197 0 : && ((_nYear % 100) != 0)
198 : )
199 : )
200 0 : || ((_nYear % 400) == 0)
201 : ;
202 : }
203 :
204 : //------------------------------------------------------------------------------
205 0 : static sal_Int32 implDaysInMonth(sal_Int32 _nMonth, sal_Int32 _nYear)
206 : {
207 : OSL_ENSURE(_nMonth > 0 && _nMonth < 13,"Month as invalid value!");
208 0 : if (_nMonth != 2)
209 0 : return aDaysInMonth[_nMonth-1];
210 : else
211 : {
212 0 : if (implIsLeapYear(_nYear))
213 0 : return aDaysInMonth[_nMonth-1] + 1;
214 : else
215 0 : return aDaysInMonth[_nMonth-1];
216 : }
217 : }
218 :
219 : //------------------------------------------------------------------------------
220 0 : static sal_Int32 implRelativeToAbsoluteNull(const utl::Date& _rDate)
221 : {
222 0 : sal_Int32 nDays = 0;
223 :
224 : // ripped this code from the implementation of tools::Date
225 0 : sal_Int32 nNormalizedYear = _rDate.Year - 1;
226 0 : nDays = nNormalizedYear * 365;
227 : // leap years
228 0 : nDays += (nNormalizedYear / 4) - (nNormalizedYear / 100) + (nNormalizedYear / 400);
229 :
230 0 : for (sal_Int32 i = 1; i < _rDate.Month; ++i)
231 0 : nDays += implDaysInMonth(i, _rDate.Year);
232 :
233 0 : nDays += _rDate.Day;
234 0 : return nDays;
235 : }
236 : //------------------------------------------------------------------------------
237 0 : static void implBuildFromRelative( sal_Int32 nDays, sal_uInt16& rDay, sal_uInt16& rMonth, sal_Int16& rYear)
238 : {
239 : sal_Int32 nTempDays;
240 0 : sal_Int32 i = 0;
241 : sal_Bool bCalc;
242 :
243 0 : do
244 : {
245 0 : nTempDays = nDays;
246 0 : rYear = (sal_uInt16)((nTempDays / 365) - i);
247 0 : nTempDays -= (rYear-1) * 365;
248 0 : nTempDays -= ((rYear-1) / 4) - ((rYear-1) / 100) + ((rYear-1) / 400);
249 0 : bCalc = sal_False;
250 0 : if ( nTempDays < 1 )
251 : {
252 0 : i++;
253 0 : bCalc = sal_True;
254 : }
255 : else
256 : {
257 0 : if ( nTempDays > 365 )
258 : {
259 0 : if ( (nTempDays != 366) || !implIsLeapYear( rYear ) )
260 : {
261 0 : i--;
262 0 : bCalc = sal_True;
263 : }
264 : }
265 : }
266 : }
267 : while ( bCalc );
268 :
269 0 : rMonth = 1;
270 0 : while ( nTempDays > implDaysInMonth( rMonth, rYear ) )
271 : {
272 0 : nTempDays -= implDaysInMonth( rMonth, rYear );
273 0 : rMonth++;
274 : }
275 0 : rDay = (sal_uInt16)nTempDays;
276 0 : }
277 : //------------------------------------------------------------------------------
278 0 : sal_Int32 DBTypeConversion::toDays(const utl::Date& _rVal, const utl::Date& _rNullDate)
279 : {
280 0 : return implRelativeToAbsoluteNull(_rVal) - implRelativeToAbsoluteNull(_rNullDate);
281 : }
282 :
283 : //------------------------------------------------------------------------------
284 0 : double DBTypeConversion::toDouble(const utl::Date& rVal, const utl::Date& _rNullDate)
285 : {
286 0 : return (double)toDays(rVal, _rNullDate);
287 : }
288 :
289 : //------------------------------------------------------------------------------
290 0 : double DBTypeConversion::toDouble(const utl::Time& rVal)
291 : {
292 0 : return (double)getNsFromTime(rVal) / fNanoSecondsPerDay;
293 : }
294 :
295 : //------------------------------------------------------------------------------
296 0 : double DBTypeConversion::toDouble(const utl::DateTime& _rVal, const utl::Date& _rNullDate)
297 : {
298 0 : sal_Int64 nTime = toDays(utl::Date(_rVal.Day, _rVal.Month, _rVal.Year), _rNullDate);
299 0 : utl::Time aTimePart;
300 :
301 0 : aTimePart.Hours = _rVal.Hours;
302 0 : aTimePart.Minutes = _rVal.Minutes;
303 0 : aTimePart.Seconds = _rVal.Seconds;
304 0 : aTimePart.NanoSeconds = _rVal.NanoSeconds;
305 :
306 0 : return ((double)nTime) + toDouble(aTimePart);
307 : }
308 : // -------------------------------------------------------------------------
309 0 : static void addDays(sal_Int32 nDays, utl::Date& _rDate)
310 : {
311 0 : sal_Int32 nTempDays = implRelativeToAbsoluteNull( _rDate );
312 :
313 0 : nTempDays += nDays;
314 0 : if ( nTempDays > MAX_DAYS )
315 : {
316 0 : _rDate.Day = 31;
317 0 : _rDate.Month = 12;
318 0 : _rDate.Year = 9999;
319 : }
320 0 : else if ( nTempDays <= 0 )
321 : {
322 0 : _rDate.Day = 1;
323 0 : _rDate.Month = 1;
324 0 : _rDate.Year = 00;
325 : }
326 : else
327 0 : implBuildFromRelative( nTempDays, _rDate.Day, _rDate.Month, _rDate.Year );
328 0 : }
329 : // -----------------------------------------------------------------------
330 0 : static void subDays( sal_Int32 nDays, utl::Date& _rDate )
331 : {
332 0 : sal_Int32 nTempDays = implRelativeToAbsoluteNull( _rDate );
333 :
334 0 : nTempDays -= nDays;
335 0 : if ( nTempDays > MAX_DAYS )
336 : {
337 0 : _rDate.Day = 31;
338 0 : _rDate.Month = 12;
339 0 : _rDate.Year = 9999;
340 : }
341 0 : else if ( nTempDays <= 0 )
342 : {
343 0 : _rDate.Day = 1;
344 0 : _rDate.Month = 1;
345 0 : _rDate.Year = 00;
346 : }
347 : else
348 0 : implBuildFromRelative( nTempDays, _rDate.Day, _rDate.Month, _rDate.Year );
349 0 : }
350 : // -------------------------------------------------------------------------
351 0 : utl::Date DBTypeConversion::toDate(double dVal, const utl::Date& _rNullDate)
352 : {
353 0 : utl::Date aRet = _rNullDate;
354 :
355 0 : if (dVal >= 0)
356 0 : addDays((sal_Int32)dVal,aRet);
357 : else
358 0 : subDays((sal_uInt32)(-dVal),aRet);
359 : // x -= (sal_uInt32)(-nDays);
360 :
361 0 : return aRet;
362 : }
363 : // -------------------------------------------------------------------------
364 0 : utl::Time DBTypeConversion::toTime(double dVal)
365 : {
366 0 : sal_Int32 nDays = (sal_Int32)dVal;
367 0 : sal_Int64 nNS = static_cast<sal_Int64>((dVal - (double)nDays) * fNanoSecondsPerDay + 0.5);
368 :
369 : sal_Int16 nSign;
370 0 : if ( nNS < 0 )
371 : {
372 0 : nNS *= -1;
373 0 : nSign = -1;
374 : }
375 : else
376 0 : nSign = 1;
377 :
378 0 : utl::Time xRet;
379 : // normalize time
380 : // we have to sal_Int32 here because otherwise we get an overflow
381 0 : sal_Int64 nNanoSeconds = nNS;
382 0 : sal_Int32 nSeconds = nNanoSeconds / nanoSecInSec;
383 0 : sal_Int32 nMinutes = nSeconds / secInMin;
384 :
385 0 : xRet.NanoSeconds = nNanoSeconds % nanoSecInSec;
386 0 : xRet.Seconds = nSeconds % secInMin;
387 0 : xRet.Hours = nMinutes / minInHour;
388 0 : xRet.Minutes = nMinutes % minInHour;
389 :
390 : // assemble time
391 0 : sal_Int64 nTime = nSign *
392 0 : (xRet.NanoSeconds +
393 0 : xRet.Seconds * secMask +
394 0 : xRet.Minutes * minMask +
395 0 : xRet.Hours * hourMask);
396 :
397 0 : if(nTime < 0)
398 : {
399 0 : xRet.NanoSeconds = nanoSecInSec-1;
400 0 : xRet.Seconds = secInMin-1;
401 0 : xRet.Minutes = minInHour-1;
402 0 : xRet.Hours = 23;
403 : }
404 0 : return xRet;
405 : }
406 : //------------------------------------------------------------------------------
407 0 : utl::DateTime DBTypeConversion::toDateTime(double dVal, const utl::Date& _rNullDate)
408 : {
409 0 : utl::Date aDate = toDate(dVal, _rNullDate);
410 0 : utl::Time aTime = toTime(dVal);
411 :
412 0 : utl::DateTime xRet;
413 :
414 0 : xRet.Day = aDate.Day;
415 0 : xRet.Month = aDate.Month;
416 0 : xRet.Year = aDate.Year;
417 :
418 0 : xRet.NanoSeconds = aTime.NanoSeconds;
419 0 : xRet.Minutes = aTime.Minutes;
420 0 : xRet.Seconds = aTime.Seconds;
421 0 : xRet.Hours = aTime.Hours;
422 :
423 :
424 0 : return xRet;
425 : }
426 : //------------------------------------------------------------------------------
427 0 : utl::Date DBTypeConversion::toDate(const OUString& _sSQLString)
428 : {
429 : // get the token out of a string
430 : static sal_Unicode sDateSep = '-';
431 :
432 0 : sal_Int32 nIndex = 0;
433 0 : sal_uInt16 nYear = 0,
434 0 : nMonth = 0,
435 0 : nDay = 0;
436 0 : nYear = (sal_uInt16)_sSQLString.getToken(0,sDateSep,nIndex).toInt32();
437 0 : if(nIndex != -1)
438 : {
439 0 : nMonth = (sal_uInt16)_sSQLString.getToken(0,sDateSep,nIndex).toInt32();
440 0 : if(nIndex != -1)
441 0 : nDay = (sal_uInt16)_sSQLString.getToken(0,sDateSep,nIndex).toInt32();
442 : }
443 :
444 0 : return utl::Date(nDay,nMonth,nYear);
445 : }
446 :
447 : //-----------------------------------------------------------------------------
448 0 : utl::DateTime DBTypeConversion::toDateTime(const OUString& _sSQLString)
449 : {
450 : //@see http://java.sun.com/j2se/1.4.2/docs/api/java/sql/Timestamp.html#valueOf(java.lang.String)
451 : //@see http://java.sun.com/j2se/1.4.2/docs/api/java/sql/Date.html#valueOf(java.lang.String)
452 : //@see http://java.sun.com/j2se/1.4.2/docs/api/java/sql/Time.html#valueOf(java.lang.String)
453 :
454 : // the date part
455 0 : utl::Date aDate = toDate(_sSQLString);
456 0 : utl::Time aTime;
457 0 : sal_Int32 nSeparation = _sSQLString.indexOf( ' ' );
458 0 : if ( -1 != nSeparation )
459 0 : aTime = toTime( _sSQLString.copy( nSeparation ) );
460 :
461 : return utl::DateTime(aTime.NanoSeconds, aTime.Seconds, aTime.Minutes, aTime.Hours,
462 0 : aDate.Day, aDate.Month, aDate.Year);
463 : }
464 :
465 : //-----------------------------------------------------------------------------
466 0 : utl::Time DBTypeConversion::toTime(const OUString& _sSQLString)
467 : {
468 0 : utl::Time aTime;
469 0 : ::utl::ISO8601parseTime(_sSQLString, aTime);
470 0 : return aTime;
471 : }
472 :
473 : //.........................................................................
474 : } // namespace dbtools
475 : //.........................................................................
476 :
477 :
478 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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